Incense sticks have been widely used, especially in Asian countries which respect to Buddhism, Taoism and Shinto religions (Lin,et. al, 2008). The reasons of using incense sticks in many holy ceremonies of each religion are the belief that it is a connection to god and it sends souls of the deceased. Thailand is one of Asian countries that have adopted the belief from India. Incense sticks are produced and used in several provinces in Thailand such as Ayutthaya, Chiang Mai, Chai Nat, Singburi, Pathumthani, Uthaithani and Roi Et. In this case study, the chosen province is Roi Et since it is one of the largest production site of incense stick in the northeastern region of Thailand